by Amorese, A., Langini, C., Dellea, G., Kummer, K., Brookes, N. B., Braicovich, L. and Ghiringhelli, G.
Abstract:
The spatial resolution achieved in many back-illuminated Charge Coupled Device (CCD) x-ray detectors is limited by the charge spread over the pixels. For low flux measurements charge-cloud centroiding methods can achieve sub-pixel spatial resolution. Experimental measurements have been performed testing the performance of commercially available soft x-ray CCD detectors (Amorese et al., 2019). In this technical note the centroiding methods used and the numerical tests performed to test the method are described. Finally, more advanced corrective algorithms are discussed.
Reference:
Enhanced spatial resolution of commercial soft X-ray CCD detectors by single-photon centroid reconstruction: Technical Note (Amorese, A., Langini, C., Dellea, G., Kummer, K., Brookes, N. B., Braicovich, L. and Ghiringhelli, G.), In NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, ELSEVIER SCIENCE BV, volume 935, 2019.
Bibtex Entry:
@article{ ISI:000470063800033,
Author = {Amorese, A. and Langini, C. and Dellea, G. and Kummer, K. and Brookes,
   N. B. and Braicovich, L. and Ghiringhelli, G.},
Title = {{Enhanced spatial resolution of commercial soft X-ray CCD detectors by
   single-photon centroid reconstruction: Technical Note}},
Journal = {{NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION
   A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT}},
Year = {{2019}},
Volume = {{935}},
Pages = {{227-231}},
Month = {{AUG 11}},
Abstract = {{The spatial resolution achieved in many back-illuminated Charge Coupled
   Device (CCD) x-ray detectors is limited by the charge spread over the
   pixels. For low flux measurements charge-cloud centroiding methods can
   achieve sub-pixel spatial resolution. Experimental measurements have
   been performed testing the performance of commercially available soft
   x-ray CCD detectors (Amorese et al., 2019). In this technical note the
   centroiding methods used and the numerical tests performed to test the
   method are described. Finally, more advanced corrective algorithms are
   discussed.}},
Publisher = {{ELSEVIER SCIENCE BV}},
Address = {{PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS}},
Type = {{Article}},
Language = {{English}},
Affiliation = {{Ghiringhelli, G (Corresponding Author), Politecn Milan, CNR SPIN, Piazza Leonardo Vinci 32, I-20133 Milan, Italy.
   Ghiringhelli, G (Corresponding Author), Politecn Milan, Dipartimento Fis, Piazza Leonardo Vinci 32, I-20133 Milan, Italy.
   Amorese, A.; Langini, C.; Dellea, G.; Braicovich, L.; Ghiringhelli, G., Politecn Milan, CNR SPIN, Piazza Leonardo Vinci 32, I-20133 Milan, Italy.
   Amorese, A.; Langini, C.; Dellea, G.; Braicovich, L.; Ghiringhelli, G., Politecn Milan, Dipartimento Fis, Piazza Leonardo Vinci 32, I-20133 Milan, Italy.
   Amorese, A.; Kummer, K.; Brookes, N. B., European Synchrotron Radiat Facil, 71 Ave Martyrs, F-38043 Grenoble, France.}},
DOI = {{10.1016/j.nima.2019.02.044}},
ISSN = {{0168-9002}},
EISSN = {{1872-9576}},
Keywords = {{Charge coupled device; Soft X-ray; Spatial resolution; Centroid}},
Keywords-Plus = {{CHARGE DIFFUSION}},
Research-Areas = {{Instruments & Instrumentation; Nuclear Science & Technology; Physics}},
Web-of-Science-Categories  = {{Instruments & Instrumentation; Nuclear Science & Technology; Physics,
   Nuclear; Physics, Particles & Fields}},
Author-Email = {{giacomo.ghiringhelli@polimo.it}},
ResearcherID-Numbers = {{Amorese, Andrea/AAA-7510-2020
   Ghiringhelli, Giacomo/D-1159-2014
   }},
ORCID-Numbers = {{Ghiringhelli, Giacomo/0000-0003-0867-7748
   Braicovich, Lucio/0000-0001-6548-9140
   Amorese, Andrea/0000-0003-0271-0543}},
Funding-Acknowledgement = {{PIK project ``POLARIX{''} of Italian Ministry of Research (MIUR), Italy}},
Funding-Text = {{The authors would like to thank the ID32 team of ESRF for providing one
   of the ROPER detectors. In particular, we are very grateful to Flora
   Yakhou-Harris and Andrea Fondacaro for the technical support during the
   tests on the ERIXS spectrometer. We also would like to acknowledge the
   collaboration of Michele Conni and Yinying Peng from Politecnico di
   Milano. Part of this work was financed by the PIK project ``POLARIX{''}
   of Italian Ministry of Research (MIUR), Italy. N.B. Brookes would like
   to thank Diamond Light Source for Hosting him during part of 2019.}},
Number-of-Cited-References = {{17}},
Times-Cited = {{2}},
Usage-Count-Last-180-days = {{2}},
Usage-Count-Since-2013 = {{5}},
Journal-ISO = {{Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc.
   Equip.}},
Doc-Delivery-Number = {{IB1YR}},
Unique-ID = {{ISI:000470063800033}},
DA = {{2020-12-22}},
}

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